Film grain effect on the road

Product: EA SPORTS™ WRC
Platform:Steam-PC
Summarize your bug Headlights on gravel road create a very ugly film grain effect that cannot be turned off or smoothed.
How often does the bug occur? Every time (100%)
Steps: How can we find the bug ourselves? Run the gravel stage at night. Watch the headlight light on the gravel.
What happens when the bug occurs? Bad film grain effect that spoils the picture and creates extra performance drop
What do you expect to see? Smother light effect on the ground. Please address the issue and advise a better video settings to mitigate the issue.

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Video of the issue: https://youtu.be/iPCVpmBDnoE?si=xPumP8ZNYyQvUDb-

Please address the issue and advise a better video settings to mitigate the issue.

My graphics settings are attached.

Brief hardware info: 

CPU: AMD Ryzen 7 5800X

Mobo: MSI MPG B550 GAMING EDGE WIFI

Memory: 32 GB 

Graphics: MSI RX 6800 XT GAMING X TRIO 16G

Drive: SSD, Samsung SSD 980 PRO 1TB (the game is installed on this drive)

system info:

Windows 10 Pro 64-bit Ver.2009 (OS build 19045.3636)

AMD Chipset driver 5.08.02.027

AMD Software: Adrenalin Edition 23.10.2

Extra info (like dxdiag) can be provided on request via more private channel (email)